mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Branislav Kontur
51 lines
1.7 KiB
Rust
51 lines
1.7 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Primitives of messages module.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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use bp_messages::LaneId;
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use sp_std::{fmt::Debug, marker::PhantomData};
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/// Reward payment procedure.
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pub trait PaymentProcedure<Relayer, Reward> {
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/// Error that may be returned by the procedure.
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type Error: Debug;
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/// Pay reward to the relayer for serving given message lane.
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fn pay_reward(relayer: &Relayer, lane_id: LaneId, reward: Reward) -> Result<(), Self::Error>;
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}
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/// Reward payment procedure that is simply minting given amount of tokens.
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pub struct MintReward<T, Relayer>(PhantomData<(T, Relayer)>);
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impl<T, Relayer> PaymentProcedure<Relayer, T::Balance> for MintReward<T, Relayer>
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where
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T: frame_support::traits::fungible::Mutate<Relayer>,
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{
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type Error = sp_runtime::DispatchError;
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fn pay_reward(
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relayer: &Relayer,
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_lane_id: LaneId,
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reward: T::Balance,
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) -> Result<(), Self::Error> {
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T::mint_into(relayer, reward)
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}
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}
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